A group of diseases characterized by uncontrolled cell division. A disorder in which cells produce a localized tumor. A disorder in which tissues of the body are replaced by nonfunctional cells. All of these. None of these.
The United States country code 1 will allow you to call United States from another country. United States telephone code 1 is dialed after the IDD. United States international dialing 1 is followed by an area code. The United States area code table below shows the various city codes for United States.
1 Area Codes and Numbering. 2  Under the North American Numbering Plan, telephone numbers in the United States, Canada and the Caribbean are structured as a three digit area code, a three digit prefix or code and a four digit line number. Any device requiring interconnection to the public switched telephone network requires an area code, prefix and line number.